Company

Technology

SeniorFrontendEngineer-Contractor

$210–350k ~AI est. Brazil CONTRACT Remote Friendly
Market Sentiment
HIGH DEMAND

Neural analysis suggests this role is
optimal for Senior candidates.

The Brief

“Senior Frontend Engineer - Contractor. Skills: Frontend engineering, React, JavaScript, TypeScript. Build scalable frontend applications. Maintain scalable frontend applications”

Industry & Context.

Technology
Problems you'll solve

Debugging; Troubleshooting

What They're Looking For.

Must Have

5+ years of experience in frontend engineering, Expertise in React, Proficiency in JavaScript/TypeScript, Proficiency in HTML5, Proficiency in CSS3, Experience building responsive web applications, Experience building cross-browser compatible web applications, Solid experience integrating frontend applications with RESTful APIs, Familiarity with testing frameworks, Experience with frontend build tools, Experience with version control (Git), Understanding of accessibility standards (WCAG), Understanding of UI best practices, Experience with frontend performance optimization techniques, Experience working in Agile/Scrum environments

Nice to Have

Experience with Jest, Experience with React Testing Library, Experience with Webpack, Experience with Babel

What You'll Do.

Build scalable frontend applications

Maintain scalable frontend applications

Ensure excellent user experience

Ensure technical quality

Translate requirements into interfaces

Improve frontend architecture

Improve frontend practices

Develop responsive web applications

Maintain responsive web applications

Optimize responsive web applications

Translate product requirements into UI components

Translate design requirements into UI components

Ensure high performance

Ensure cross-browser compatibility

Debug frontend issues

Troubleshoot frontend issues

Resolve frontend issues

Integrate frontend applications with backend microservices

Integrate frontend applications with RESTful APIs

Participate in code reviews

Contribute to frontend engineering best practices

Mentor junior engineers

Support junior engineers' technical growth

How You'll Work.

Team & Collaboration

Cross-functional teams; Distributed teams

Process & Methodology

Agile, Scrum

Full Job Description

## Accountabilities You will be responsible for building and maintaining scalable, high-performance frontend applications while ensuring excellent user experience and technical quality across all web products. You will collaborate closely with cross-functional teams to translate requirements into intuitive interfaces and contribute to the continuous improvement of frontend architecture and practices. Develop, maintain, and optimize responsive web applications using React Translate product and design requirements into clean, functional, and intuitive UI components Ensure high performance, scalability, and cross-browser compatibility across applications Debug, troubleshoot, and resolve frontend issues to maintain a seamless user experience Integrate frontend applications with backend microservices and RESTful APIs Participate in code reviews and contribute to frontend engineering best practices Mentor junior engineers and support their technical growth through guidance and feedback Continuously improve frontend architecture, tooling, and development workflows Requirements: You bring strong experience in frontend engineering, particularly within modern JavaScript ecosystems, and are comfortable building complex, scalable web applications. You have a strong eye for detail, performance, and user experience, and you thrive in collaborative Agile teams. 5+ years of experience in frontend engineering with strong expertise in React Strong proficiency in JavaScript/TypeScript, HTML5, and CSS3 Experience building responsive, cross-browser compatible web applications Solid experience integrating frontend applications with RESTful APIs Familiarity with testing frameworks such as Jest and React Testing Library Experience with frontend build tools (Webpack, Babel) and version control (Git) Understanding of accessibility standards (WCAG) and UI best practices Experience with frontend performance optimization techniques Experience working in Agile/Scrum environments Strong communica

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